Bielsko-Biała | Bielsko | PZL.37 Łoś | PZL P.11 | SZD-8 Jaskółka | SZD-48 Jantar Standard 2/3 | SZD-19 Zefir | PZL P.6 | PZL P.24 | PZL.5 | PZL-101 Gawron | PZL | Bielsko County | ''The Tree Hugger Project'', Installation in Wilkowice, Bielsko County | PZL TS-8 Bies | PZL TS-11 Iskra | PZL P.1 | PZL M28 | PZL M-2 | PZL Ł.2 | PZL-5 |
Spurred on by the high performance two seaters emerging from the German Akafliegs, like the SB 10 Schiroko, SZD modified the SZD-37x Jantar fuselage to take two seats in tandem and fitted the wings developed from the Zefir 4 to make the SZD-40 Halny.